✓ 3 MARKS
Short Answer
🔥 APPEARED IN 3 BOARD SETS
Name the electromagnetic wave used (i) in radar, (ii) in eye surgery and (iii) as diagnostic tool in medicine. Write their wavelength range also.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2025 | Series 55-6 | Set 1 | Question 25 |
| CBSE 2025 | Series 55-6 | Set 2 | Question 28 |
| CBSE 2025 | Series 55-6 | Set 3 | Question 22 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)